import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '@/components/power/Roles.vue'
import Params from '@/components/goods/Params.vue'
import Cate from '@/components/goods/Cate.vue'
import List from '@/components/goods/List.vue'
import Add from '@/components/goods/Add.vue'
import Order from '@/components/order/Order.vue'
import Report from '@/components/report/Report'

Vue.use(Router)

// export default new Router(
//   routes: [
//   {
//     path: '/',
//     redirect: '/login'
//   },
//   {
//     path: '/login',
//     component: Login
//   },
//   {
//     path: '/home',
//     component: Home
//   }
// ]
// )
const router = new Router({
  routes: [
    {
      path: '/',
      redirect: '/login'
    },
    {
      path: '/login',
      component: Login
    },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [
        {
          path: '/welcome',
          component: Welcome
        },
        {
          path: '/users',
          component: Users
        },
        {
          path: '/rights',
          component: Rights
        },
        {
          path: '/roles',
          component: Roles
        },
        {
          path: '/params',
          component: Params
        },
        {
          path: '/categories',
          component: Cate
        },
        {
          path: '/goods',
          component: List
        },
        {
          path: '/goods/add',
          component: Add
        },
        {
          path: '/orders',
          component: Order
        },
        {
          path: '/reports',
          component: Report
        }
      ]
    }
  ]
})

// 挂载路由导航守卫
router.beforeEach((to, form, next) => {
  // to——访问的路径
  // form——代表从那个路径跳转而来
  // next——一个函数，表示放行
  // next() 放行   next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
